Make a copy of drm_property_blob data for user-supplied EDID blobs.
v2: Allocate and memcopy drm_property_blob->data instead of pointing
to it.
Signed-off-by: Marius Vlad <marius.c.vlad@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_hdmi.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 8698a64..4c9bb5f 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1355,6 +1355,16 @@ intel_hdmi_set_edid(struct drm_connector *connector, bool force)
intel_gmbus_get_adapter(dev_priv,
intel_hdmi->ddc_bus));
+ /*
+ * Use the user-supplied EDID blob in case we don't have an
+ * EDID from the display.
+ */
+ if (!edid && connector->override_edid) {
+ edid = kmemdup(connector->edid_blob_ptr->data,
+ connector->edid_blob_ptr->length,
+ GFP_KERNEL);
+ }
+
intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);
}
--
2.7.0
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